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KCET2018ChemistryElectrochemistry

For a cell reaction involving two electron changes, ( E_ cell ^ =0.3 ~V ) at ( 25^ C ). The cell equilibrium constant of the reaction is

Options

  1. A( 10⁻¹⁰ )
  2. B( 3 10⁻² )
  3. C( 10 )
  4. D( 10¹⁰ )

Correct answer

D. ( 10¹⁰ )

Step-by-step solution

Using the formula, [ array l E_ cell ⁰= 0.0591 n K 0.3= 0.0591 2 K 10= K K=10¹⁰ array ]

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